Binder



R. C. HILL Oct, '13, 1936.

BINDER Filed Sept. 30, 1935 fix/em": se

Patented a. 13, 1936 t I t 2,057,487

UNITED STATES PATENT OFFICE BINDER Russell 0. Hill, San Antoniofl'ex. Application September 30, 1935, Serial No. 42,790

2 Claims. (01. 281-19) The invention relates to improvements in binder is provided which may be readily embinders especially adapted for use in binding ployed for detachably binding or securing sheets leaves'in'to book fOlm, the primary object of the in book form to a cover; which will nicely hold invention being the provision of a simple arthe bound sheets. or leaves in place by preventrangement of the character indicated which is ing lateral displacement thereof; which will pera capable of economical production and highly mit of easy removal or replacement of said efficient in use. sheets; which will so reinforce the flexible cover Other objects will appear hereinafter. members as to avoid any additional covers for The invention consists in the combinations stiffening, reinforcing or strengthening the and arrangements of parts hereinafter described same; which may be readily employed in con-. lo and claimed. junction with helical or spiral wire bindings or The inventionwill be best understood by refermetal loops or rings and will enclose and guard ence to the accompanying drawing forming a the same'to prevent damage or marring of desk part of this specification, and in which tops, table tops, or other finished surfaces; Fig. 1 is a partial perspective view of a binder which is compact in form and neat in appear- 15 embodying the invention; ance; and which is capable of economical pro- Fig; 2 an enlarged partial transverse section duction. of the same; i In.the modification illustrated in Fig. 4, the

Fig. 3 a section taken substantially on line binding plate H is arched or curved "as shown;

3-3 of Fig. 2; and both ends thereof are slightly difierent in shape, 20

Fig. 4- a view similar to Fig. 3 but showing a being given a rounded shape as indicated by the slightly modified form of construction. end I5; the binding tongue I1 is in the form of The embodiment of the invention illustrated a rod instead of a bar or strip; and the bayonet in the drawing comprises a suitable flexible slot 20 is of slightly different form. Otherwise cover member Ill having a binding element in the construction and arrangement is the same the form of a sheet metal plate ii rigidly seas that already indicated, these modifications cured thereto and to a cooperating reinforcing somewhat improving the appearance of the bar i2 by means of rivets l3 passing through binding. when in use. said cover member as shown. The ends M and While I have illustrated and described the preiii of the plate II are bent upwardly as indiferred forms of construction for carrying my in- 30 cated, the end it being doubled upon itself at vention into effect, these are capable of variai6, and a resilient binding tongue il iormed tion and modification without departing from integrallyutherewith and arranged to traverse the spirit of the invention. I therefore do not the space between the ends M and [5 below the wish to be limited to the precise details distops thereof. The binding tongue H is thus closed but desire to avail myself of such modifiadapted and arranged to be threaded through cations and variations as fall within the scope the coils I8 of a helical wire binding for the of the appended claims. loose leaf sheets l9, as will be readily under- I claim: 7

stood. As indicated, the ends i4 and I5 will 1. A binder comprising a cover member; a

thus be caused to embrace the edges of the binding element in the form of asheet metal 40 leaves or sheets 19, thereby preventing lateral plate secured centrally to said cover member, displacements thereof andholding said sheets the ends of said plate being turned upwardly in nice registration or alinement with each other. and being adapted to embrace the ends of leaves The end I5 is provided with a bayonet slot-20 inserted. therebetween; and a. resilient binding into which the end of the tongue ll may be tongue formed integrally with one of the ends engaged after it has been threaded through the of said plate and traversing the space between, coils is. As will be noted-the entry opening to said ends below the tops thereof and detachably the salt 20 is in the sideof the end member i5 connected with the other end of said plate, there and the locking notch of; the slot is arranged at being a bayonet slot in said other end to receive 5 the top thereof, so that the resiliency of the the end of said tongue, said slot being arranged tongue l'i will cause the end of, the tongue'to inrelatively to the resiliency in said tongue to tcrlock in said notch and thereby hold said cause said resiliency to effect interlocking betongue against disengagement with the end tween the tongue and slot. member l5. P 2. A binder comprising a. cover member; a

By this arrangement a simple and eflective binding element in the former a sheet. metal 5 plate secured centrally to said cover member, the ends of said plate being turned upwardly and being adapted to embrace the ends oi. leaves inserted therebetween, the extremity of one of said ends being doubled inwardly and downwardly upon itseli; and a. resilient binding tongue iormedintegrallywiththeinner endot said doubled-back extremity and traversing the space between said ends below the u i thereott, there being a bayonet slot in the other end to receive the end of said tongue, said slot being arranged relatively to the resiliency in said tongue to cause said resiliency to eilfect inter- 6 locking between the tongue and slot.

RUSSELL C. HILL; 

